Use as often as needed. Sodium c10-13 alkyl benzene sulfonate is an emulsifier used in many applications from cosmetics to construction. Commercially available products are very complex mixtures containing homologues with alkyl chains ranging from 10 to 14 carbon units (C10-14 LAS). 1322-98-1 Decylbenzene sulfonic acid, sodium salt 25155-30- Dodecylbenzene sulfonic acid, sodium salt Detergent wastes usually do not contain nitrogen or contain very low amounts. A locked padlock) or https:// means you've safely connected to the .gov website. It is considered a linear alkylbenzene sulfonate (LAS), or specific classification of . Linear alkylbenzene sulfonate (LAS) is a cytotoxic synthetic anionic surfactant widely present in the environment due to its large-scale production and intensive use in the detergency field. Introduction Commercial linear alkylbenzene sulfonate (LAS) is a widely used synthetic surfactant in detergents and household cleaning products. A recently proposed method to remove this organic . LINEAR ALKYLBENZENE SULFONATES. The efficiency of linear alkylbenzene sulfonate ( LAB) as . 1322-98-1 Decylbenzene sulfonic acid, sodium salt 25155-30- Dodecylbenzene sulfonic acid, sodium salt MSDS. Trade name Linear Alkyl Benzene (LAB) CAS No. Linear alkylbenzenes (sometimes also known as LABs) are a family of organic compounds with the formula C 6 H 5 C n H 2n+1.Typically, n lies between 10 and 16, although generally supplied as a tighter cut, such as C 12-C 15, C 12-C 13 and C 10-C 13, for detergent use. Linear alkylbenzene is sulfonated to produce linear alkylbenzene sulfonate LASa biodegradable surfactant. Up to now, various methods have been used to eliminate this pollution. It was introduced in 1964 as the readily biodegradable replacement for highly branched alkylbenzene sulphonates (ABS). Waste waters containing detergents are the basic constituents of organic pollutants and they cause great environmental damages by . EC No. 267-051- REACH Registration No. human environment. Linear alkylbenzene sulfonate is a cheaper option and possesses good emulsifying, cleansing and foaming properties. The products provide flexibility to the formulator as primary emulsifiers for Emulsifiable Concentrate (EC) and Emulsion in Water (EW). The long-term effects of these CECs on keystone. CAS Numbers: 1322-98-1 Decylbenzene sulfonic acid, sodium salt25155-30- Dodecylbenzene . Share sensitive information only on official, secure websites. So-called 'soft' surfactants were produced and subjected to trials in certain parts of the UK with excellent results. • Mix 10-20 cc. trations of 25% Linear Alkylbenzene Sulfonate (US) were irritants to the eyes of rabbits; ~0.1% LAS produced mild to no irritation. Effect of linear alkylbenzene sulfonate (LAS) on human intestinal Caco-2 cells at non cytotoxic concentrations. Linear alkylbenzene sulfonate is an anionic surfactant (surface active agent) which was introduced in 1964 as a more readily biodegradable replacement for highly branched alkylbenzene sulfonate (ABS). * Breathing Sodium Dodecylbenzene Sulfonate can irritate the nose, throat and lungs causing coughing, wheezing and/or shortness of breath. 2/356. For. OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS) UNEP PUBLICATIONS 4 CH 3 (CH 2) 5 CH(CH 2) 4 CH 3 S0 3 - Na+ SIDS INITIAL ASSESSMENT PROFILE CAS Nos. 25155-30-0), both of which are currently approved for use as active and inert ingredients in registered pesticide products. Alkyl benzene sulphonic acid >96％ 27176-87- . Since then, continuing and explosive researches on its biodegradation and on its own environmental and human toxicity has been performed. Introduction Domestic waste water is one of the important pollution sources affecting the water quality adversely in many countries. Neurotoxicity. Use without mixing on the dirty floor. The most common linear alkylbenzene sulfonate compounds used in pesticide formulations are (1) benzenesulfonic acid, dodecyl (CAS Reg. sodium hydroxide. human environment. On the other hand, Hopper (1949) tested 17 different surfactants at Safety Data Sheet according to Federal Register / Vol. This structure creates many problems for the environment and humans. SB1, SB2—straw biochars; WB1, WB2—pine wood biochars. Daily doses of alkylbenzene sulfonates as high as 50% of the LD50 were ad­ ministered to rats by Hine (1953) up to 45 days with no noticeable effect, and up to 10% by Garshenin (1963) with little effect. What is it for? C. Name (OECD name) Linear alkylbenzene sulfonate (LAS) D. CAS Descriptor Relatively consistent mixture of homologues with predominately linear (currently >95% for most products) varying alkyl chain lengths (from C10 to C14) and phenyl isomers with attachment of the para sulfonate (sodium salt) benzene ring to the alkyl chain at non-terminal . alkylbenzene sulfonate uses and it is unlikely that any appreciable exposure to terrestrial or aquatic organisms would occur from limited commercial down -the-drain use because of the very small number of pounds for these uses plus their rapid degradation in the environment. 25155-30-0) at non cytotoxic concentrations on human intestinal Caco-2 cells using different in . 68411-30-3 - Sodium alkylbenzene sulfonate - Similar structures search, synonyms, formulas, resource links, and other chemical information. citric acid. Environmental Protection Agency (EPA): EPA Fathead Minnow Acute Toxicity Database. Create. 2022-05-07. Biostimulation by introducing limiting nutrient element can be useful in biotreatment of such waste. Linear alkylbenzene sulfonates (LAS) may occur in sewage sludge that is applied to agricultural soil, in which LAS can be inhibitory to biological activity. Dose-effects of linear alkylbenzene sulfonate (LAS) on potential ammonia oxidation (PAO) in agricultural soil without (a) or with (b-e) added biochar (1.1%, wt./wt.). Experiments were carried out to survey the effects of the amounts of ferrous sulfate (FeSO 4.7H 2 O) and hydrogen peroxide (H 2 O 2) on the LAS and COD removal. 20th SIAM. The C n H 2n+1 chain is unbranched. as shown in fig. p-S12-5, p-S14-5, p-S16-5, p-S18-5, p-S16-6 and p-S16-8, respectively) have been synthesized.The structures and the purities of the products have also been confirmed by 1 H-NMR and mass spectrometry. LAS replaced branched dodecylbenzene sulfonateswhich were phased out because they biodegrade more slowly. dodecene) using hydrogen fluoride as a catalyst. The major effect of benzene from long-term exposure is on the blood. A Notice of Availability will be published in the Federal Register announcing the publication of the RED. Daily doses of alkylbenzene sulfonates as high as 50% of the LD50 were ad­ ministered to rats by Hine (1953) up to 45 days with no noticeable effect, and up to 10% by Garshenin (1963) with little effect. This substance is used in the following products: washing & cleaning products, cosmetics and personal care products, biocides (e.g. The evidence shown is based on the most concerning group member. 0.1 ml of 20% linear alkylbenzene sulfonic acids applied twice a day from day 0 to 3 of pregnancy, to a 2 x 3 cm area of the backs of mice, interrupted cleavage of eggs and caused retarded fetal development. 1. Linear Alkyl Benzene (LAB). Causes chemical burns to the respiratory tract. Unfortunately, some researchers showed that LAS can be harmful to the environment. disinfectants, pest control products), non-metal-surface treatment products, polishes . Sodium Dodecylbenzenesulfonate. A Notice of Availability will be published in the Federal Register announcing the publication of the RED. borax. As a part of a broader risk assessment of LAS in the terrestrial environment, we tested the short-term effects of aqueous LAS on microbial parameters in a sandy agricultural soil that was . Linear alkylbenzene sulfonate (LAS) is a cytotoxic synthetic anionic surfactant widely present in the environment due to its large-scale production and intensive use in the detergency field. For example, consumption of LAS in Europe, North America, and Japan was approximately 950,000 metric tons in 1994 (1). • Sulfonate Sodium Salt 2% w/w. Linear Alkyl Benzene Sulfonate: SVHC? Linear Alkyl benzene Sulphonate (LAS) is the most widely used anionic surfactant in household and cleaning products that lowers the surface tension of water, enabling soils and stains to loosen and release from fabrics and surfaces. Phenylsulphonic acid appears as fine whitish needles. Impurity: TRIETHANOLAMINE. Solid form may severely irritate skin and eyes. CID 16649 (Benzenesulfonic acid, 4- (1-methylundecyl)-) CID 5360545 (Sodium) Date s. Modify. It is an intermediate substance in the petrochemical industry that is obtained from the alkylation of Benzene from paraffin in raw materials. low. Just take a look at the list of ingredients for Tide detergent: water. : SVHC is a substance (identified by the European Chemicals Agency) that may have serious and often irreversible effects on human health and the environment. low. and risk management decision for alkylbenzene sulfonates and its associated human health and environmental risks. 77, No. Alkyl Benzene. Assays of PAO were performed after 1 week of soil interaction with biochar and LAS. toxicological effects and environmental fate as under. It was introduced in 1964 as the readily biodegradable replacement for highly branched alkylbenzene sulfonates (ABS). Abstract Caffeine (CAF) and linear alkylbenzene sulfonate (LAS) are human activity indicators, clas- sified as contaminants of emerging concern (CECs). Linear alkylbenzene sulphonate (LAS) is an anionic surfactant. Sodium Dodecylbenzenesulfonate is comprised of substituted aromatic compounds and used as a surfactant in a variety of cosmetics and personal care products, primarily cleansing products such as bath soaps and shampoos. alcoholethoxy sulfate. Linear Alkylbenzene Sulfonate (LAS) is an anionic surfactant. Paris, France, 19-21 April, 2005. This compound was used to replace Alkyl Benzene Sulfonate (ABS) which has been banned because its toxicity to the environmental and human life in the long term. 12 It can be observed that this compound inhibits the micro-organism who are implied in the process in concentration which can be found in most of industrial and domestic wastewater. 01-2119489372-31-0014 1.2 Relevant identified uses of the substance or mixture and uses advised against Identified uses Used primarily in the production of Linear Alkyl Benzene Sulfonate (LAS) surfactant RELAB TEL (R). Therefore, it is concluded that these substances are not harmful to . Trade Name. IDENTIFICATION Sodium Dodecylbenzene Sulfonate is a white to light yellow 27176-87-0) and (2) benzenesulfonic acid, dodecyl-, sodium salt (CAS Reg. A non-polymer thickening medium, and the inclusion of such a non-polymer thickening medium in a cleaning composition. 2008-02-05. Chemical Name: Linear Alkylbenzene Sulfonate (LAS) 2. 8/10/2019 Linear alkyl benzene survey. Disclaimer. The substances in the Alkyl Sulfates and α-Olefin Sulfonate Group may be associated with human health and/or ecological effects; however, as a result of this screening assessment, it was found that the risk posed by these 4 substances is low at current levels of exposure. linear-alkylbenzene-sulfonate-msds Author: NCMC linear alkylbenzene sulfonate. 67774-74-7 EINECS No. Mohamed Bradai Graduate School of Life and Environmental Sciences, University of Tsukuba, Tennodai 1-1-1, Tsukuba, Ibaraki, 305-8572, Japan. We supply a range of NANSA® anionic surfactants based on linear or branched alkylbenzene sulfonic acids or as an isopropylamine salt. OECD SIDS LINEAR ALKYLBENZENE SULFONATE (LAS) UNEP PUBLICATIONS 2. Unfortunately, some researchers showed that LAS can be harmful to the environment. It is widely used as consumer products contained in laundry detergents and kitchen detergents. Six sodium para-dimethyl alkylbenzene sulfonates (PDABS, abbr. Compared with the control group, the cell proliferation was inhibited, the levels of MDA, LDH and GOT increased and the rates of apoptosis and necrosis enhanced (Long-term exposure means exposure of a year or more.) Linear alkylbenzene sulfonic acid (LAS) is a common substance used in the production of detergents in the world. Alkylbenzene Sulfonates. No reproductive effects were produced by dermal application of LAS or TEA-DDBS or by oral administration of LAS. The life-cycle analysis considered the emissions and resulting environmental and human exposures. 7664-93-9 016-020-00-8 C-Corrosive R 35 Section 3: Hazards Identification Adverse Human Health Effects : The product is a corrosive substance. Sulfonates Gisha G.P MSc Biotechnology Mahatma Gandhi University, Kottayam. (1-2 tablespoons) floor cleaner per 1-2-liter water. 2. In some embodiments, the non-polymer thickening medium includes a sparingly water soluble surfactant, and an organic solvent including an OH group, an ether group, or both an OH group and an ether group. Contact with the eyes may cause ocular lesions and contact No. Information contained in this material data sheet is believed to be reliable but no. 2. The long-term effects of these CECs on keystone species are still scarce in the literature. LAS is a mixture of closely related isomers and homologues, each containing an aromatic ring sulphonated at the para position and attached to a linear alkyl chain. Environmental Impact and Remedies. 58 / Monday, March 26, / Rules and. There is no evidence in the available toxicity studies or scientific literature to indicate neurotoxic effects of the alkylbenzene sulfonates in humans or laboratory animals. • Linear Alkylbenzene Sulfonate. EU Ecolabel: Detergents Ingredients Database. Linear alkylbenzene is sulfonated to produce liear alkylbenzene sulfonate LASa biodegradable surfactant. The results of Are there adverse effects on the They are mainly produced as intermediate in the production of surfactants, for use in detergent. Material Safety Data Sheet. Most important symptoms and effects, both acute and delayed To the best of our knowledge, the chemical, physical, and toxicological properties have not been . These anionic surfactants are reported to be acutely toxic to aquatic organisms [8, 9]. Linear alkylbenzene sulfonates (LAS) are prepared industrially by the sulfonation of linear alkylbenzenes (LABs), which can themselves be prepared in several ways. propylene glycol. In the most common route benzene is alkylated by long chain monoalkenes (e.g. They are mainly produced as intermediate in the production of surfactantsfor use in beenzene. Caffeine (CAF) and linear alkylbenzene sulfonate (LAS) are human activity indicators, classified as contaminants of emerging concern (CECs). Effect of linear alkylbenzene sulfonate (LAS) on human intestinal Caco-2 cells at non cytotoxic concentrations Mohamed Bradai , Junkyu Han , Abdelfatteh El Omri , Naoyuki Funamizu , Sami Sayadi & Hiroko Isoda Cytotechnology 68 , 1267-1275 ( 2016) Cite this article 223 Accesses 2 Citations Metrics Abstract Cytotoxic effect of linear alkylbenzene sulfonate on human intestinal Caco-2 cells: associated biomarkers for risk assessment. • Sodium Lauryl Sulfate 1% w/w. (LAS is a commercial preparation that has the average molecular weight of SDDBS.) Linear Alkylbenzene. 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